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a, b | aab=b, aaaa=ba

Monoid presentation of length 10

Properties

Completion parameters

Complete rewriting system

  1. a6a4
  2. baa4
  3. a2bb
  4. b2ab

Idempotents

3 elements

Cayley table

Idempotents are shown in bold.

1aba2aba3a4a5
11aba2aba3a4a5
aaa2aba3ba4a5a4
bba4aba5ba4a5a4
a2a2a3ba4aba5a4a5
ababa5ba4aba5a4a5
a3a3a4aba5ba4a5a4
a4a4a5ba4aba5a4a5
a5a5a4aba5ba4a5a4

Right Cayley graph

Idempotents are shown in bold.

Left Cayley graph

Idempotents are shown in bold.

Others with same cardinality

44 unique, 1211 total

Length:Presentation:Description:Related:
7 a, b | aab=1, bbbb=1 Isomorphic to ℤ8 727 isomorphic
7 a, b | aa=1, abba=b Finite non-commutative monoid with 8 elements 46 isomorphic
8 a, b | aba=b, aabb=1 Finite non-Abelian group with 8 elements 28 isomorphic
8 a, b | aa=a, bbbb=a Finite commutative monoid with 8 elements 48 isomorphic
8 a, b | aa=b, bbbb=a Finite commutative monoid with 8 elements 34 isomorphic
8 a, b | aa=b, bbbb=b Finite commutative monoid with 8 elements 46 isomorphic
8 a, b | aa=a, aba=bb Finite non-commutative monoid with 8 elements 5 isomorphic
8 a, b | aa=1, ababa=b Finite non-commutative monoid with 8 elements 13 isomorphic
9 a, b | aaa=bb, abb=b Finite commutative monoid with 8 elements 55 isomorphic
9 a, b | aaa=bb, bab=a Finite commutative monoid with 8 elements 9 isomorphic
9 a, b | aab=aa, baa=b Finite non-commutative monoid with 8 elements 8 isomorphic
9 a, b | aab=bb, baa=a Finite non-commutative monoid with 8 elements 4 anti-isomorphic
9 a, b | ab=aa, baaa=b Finite non-commutative monoid with 8 elements 6 isomorphic
9 a, b | ab=aa, bbbb=a Finite commutative monoid with 8 elements 32 isomorphic
9 a, b | bb=aa, aaab=a Finite commutative monoid with 8 elements 3 isomorphic
9 a, b | ab=aa, baa=bb Finite non-commutative monoid with 8 elements 1 isomorphic
9 a, b | ab=aa, bbb=aa Finite non-commutative monoid with 8 elements 1 isomorphic
9 a, b | ab=aa, bbb=ba Finite non-commutative monoid with 8 elements
9 a, b | aa=a, abbbb=b Finite non-commutative monoid with 8 elements 14 isomorphic
9 a, b | ab=a, baaa=bb Finite non-commutative monoid with 8 elements 9 isomorphic
9 a, b | ab=a, bbaa=bb Finite non-commutative monoid with 8 elements 9 isomorphic
10 a, b | aab=bb, aaaa=b Finite commutative monoid with 8 elements 18 isomorphic
10 a, b | aab=bb, abbb=a Finite commutative monoid with 8 elements 10 isomorphic
10 a, b | aba=aa, aaab=b Finite non-commutative monoid with 8 elements 3 isomorphic
10 a, b | aab=a, bbaa=bb Finite non-commutative monoid with 8 elements
10 a, b | aab=b, abaa=aa Finite non-commutative monoid with 8 elements 1 isomorphic
10 a, b | aab=b, abbb=aa Finite commutative monoid with 8 elements 4 isomorphic
10 a, b | ab=aa, aaaa=bb Finite non-commutative monoid with 8 elements 7 isomorphic
10 a, b | ab=a, bbbb=baa Finite non-commutative monoid with 8 elements 2 isomorphic
11 a, b | aabb=aa, abaa=b Finite commutative monoid with 8 elements 7 isomorphic
11 a, b | aabb=aa, bbba=b Finite non-commutative monoid with 8 elements
11 a, b | abbb=aa, bbbb=a Finite commutative monoid with 8 elements 14 isomorphic
11 a, b | aab=b, aabaa=aa Finite non-commutative monoid with 8 elements 2 isomorphic
11 a, b | aab=a, bbbb=bbb Finite non-commutative monoid with 8 elements
11 a, b | aab=b, aaaa=aba Finite non-commutative monoid with 8 elements
11 a, b | aab=b, aaaa=abb Finite commutative monoid with 8 elements 1 isomorphic
11 a, b | ab=a, aaaaaa=bb Finite commutative monoid with 8 elements
11 a, b | ab=a, bbbbbb=aa Finite commutative monoid with 8 elements
11 a, b | ab=a, bbbbbb=ba Finite non-commutative monoid with 8 elements
11 a, b | ab=a, aaaaa=bbb Finite commutative monoid with 8 elements
11 a, b | ab=a, bbbbb=aaa Finite commutative monoid with 8 elements
11 a, b | ab=a, bbbbb=bba Finite non-commutative monoid with 8 elements
11 a, b | ab=a, bbbb=aaaa Finite commutative monoid with 8 elements
11 a, b | ab=a, bbbb=bbba Finite non-commutative monoid with 8 elements